Proper Use
Drug information provided by: Merative, Micromedex®
This medicine should only be used on the lips or face.
Penciclovir is best used as soon as possible after the symptoms of herpes infection (for example, pain, burning, or blisters) begin to appear.
Do not use this medicine in or near the eyes.
Do not use this medicine inside the mouth or nose or on other internal parts of the body.
Dosing
The dose of this medicine will be different for different patients. Follow your doctor's orders or the directions on the label. The following information includes only the average doses of this medicine. If your dose is different, do not change it unless your doctor tells you to do so.
The amount of medicine that you take depends on the strength of the medicine. Also, the number of doses you take each day, the time allowed between doses, and the length of time you take the medicine depend on the medical problem for which you are using the medicine.
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For topical dosage form (cream):
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For herpes simplex infection (cold sores):
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Adults—Apply to the affected area(s) of the skin every two hours, while awake, for four days.
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Children—Use and dose must be determined by your doctor.
Missed Dose
If you miss a dose of this medicine, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. Do not double doses.
Storage
Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light. Keep from freezing.
Keep out of the reach of children.
Do not keep outdated medicine or medicine no longer needed.
Portions of this document last updated: Feb. 01, 2024
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